Alert archive / Alabama / Tornado Warnings in 1992

Tornado Warning 6, NWS Mobile, AL

April 20, 1992Lowndes County, Montgomery County, Alabama

NWS Mobile, AL issued this tornado warning at Apr 20, 1992, 3:21 PM CDT for Lowndes County, Montgomery County, Alabama. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1992, 3:21 PM CDT (20:21 UTC)
Expired
Apr 20, 1992, 4:30 PM CDT
In force
69 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Lowndes County, AL, Montgomery County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 8.4 hours before the alert went out and 107 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Centreville/Bibb, AL at 12:00Z on 1992-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 12:00Z on 1992-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
11 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
650 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMGM 202023
TORMGM
ALC085-101-202130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
321 PM CDT MON APR 20 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...LOWNDES COUNTY...MONTGOMERY COUNTY
 
BUTLER COUNTY EMERGENCY MANAGEMENT HAS REPORTED A TORNADO ON THE
GROUND BETWEEN FORT DEPOSIT AND GREENVILLE ALABAMA MOVING NORTHEAST
AT 40 MILES AN HOUR.
 
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO.  CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NOw
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 20, 12:01 PM CDTSevere Thunderstorm WarningMOBMobile44 min
Apr 20, 1:07 PM CDTSevere Thunderstorm WarningMOBClarke53 min
Apr 20, 1:45 PM CDTSevere Thunderstorm WarningMOBMonroe45 min
Apr 20, 1:49 PM CDTSevere Thunderstorm WarningMOBBaldwin26 min
Apr 20, 2:08 PM CDTSevere Thunderstorm WarningMOBWilcox67 min
Apr 20, 2:42 PM CDTSevere Thunderstorm WarningMOBButler63 min
Apr 20, 2:49 PM CDTSevere Thunderstorm WarningMOBConecuh26 min
Apr 20, 3:09 PM CDTSevere Thunderstorm WarningMOBLowndes66 min
Apr 20, 3:51 PM CDTSevere Thunderstorm WarningMOBCovington69 min
Apr 20, 3:51 PM CDTSevere Thunderstorm WarningMOBPike69 min
Apr 20, 4:08 PM CDTSevere Thunderstorm WarningMOBGeneva52 min
Apr 20, 4:11 PM CDTSevere Thunderstorm WarningMOBElmore, Tallapoosa64 min
Apr 20, 4:46 PM CDTSevere Thunderstorm WarningMOBLee, Macon59 min
Apr 20, 5:12 PM CDTSevere Thunderstorm WarningMOBChambers48 min

Nearby

Tornado Warnings in Alabama, 1992Every tornado warning in 1992Tornadoes in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.